/*
* ECellDateEditText - a subclass of ECellText used to show and edit the text
* representation of the date, from a ECalComponentDateTime* model value.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see <http://www.gnu.org/licenses/>
*
* Authors:
* Damon Chaplin <damon@ximian.com>
*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <string.h>
#include <glib/gi18n.h>
#include <libecal/libecal.h>
#include "e-cell-date-edit-text.h"
#define E_CELL_DATE_EDIT_TEXT_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), E_TYPE_CELL_DATE_EDIT_TEXT, ECellDateEditTextPrivate))
struct _ECellDateEditTextPrivate {
/* The timezone to display the date in. */
icaltimezone *timezone;
/* Whether to display in 24-hour format. */
gboolean use_24_hour_format;
};
enum {
PROP_0,
PROP_TIMEZONE,
PROP_USE_24_HOUR_FORMAT
};
G_DEFINE_TYPE (
ECellDateEditText,
e_cell_date_edit_text,
E_TYPE_CELL_TEXT)
static void
cell_date_edit_text_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_TIMEZONE:
e_cell_date_edit_text_set_timezone (
E_CELL_DATE_EDIT_TEXT (object),
g_value_get_pointer (value));
return;
case PROP_USE_24_HOUR_FORMAT:
e_cell_date_edit_text_set_use_24_hour_format (
E_CELL_DATE_EDIT_TEXT (object),
g_value_get_boolean (value));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static void
cell_date_edit_text_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
switch (property_id) {
case PROP_TIMEZONE:
g_value_set_pointer (
value,
e_cell_date_edit_text_get_timezone (
E_CELL_DATE_EDIT_TEXT (object)));
return;
case PROP_USE_24_HOUR_FORMAT:
g_value_set_boolean (
value,
e_cell_date_edit_text_get_use_24_hour_format (
E_CELL_DATE_EDIT_TEXT (object)));
return;
}
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
static gchar *
cell_date_edit_text_get_text (ECellText *cell,
ETableModel *model,
gint col,
gint row)
{
ECellDateEditText *ecd = E_CELL_DATE_EDIT_TEXT (cell);
ECellDateEditValue *dv = e_table_model_value_at (model, col, row);
icaltimezone *timezone;
struct tm tmp_tm;
if (!dv)
return g_strdup ("");
timezone = e_cell_date_edit_text_get_timezone (ecd);
/* Note that although the property may be in a different
* timezone, we convert it to the current timezone to display
* it in the table. If the user actually edits the value,
* it will be set to the current timezone. See set_value (). */
tmp_tm = icaltimetype_to_tm_with_zone (&dv->tt, dv->zone, timezone);
return e_datetime_format_format_tm (
"calendar", "table", dv->tt.is_date ?
DTFormatKindDate : DTFormatKindDateTime, &tmp_tm);
}
static void
cell_date_edit_text_free_text (ECellText *cell,
gchar *text)
{
g_free (text);
}
/* FIXME: We need to set the "transient_for" property for the dialog. */
static void
show_date_warning (ECellDateEditText *ecd)
{
GtkWidget *dialog;
gchar buffer[64], *format;
time_t t;
struct tm *tmp_tm;
t = time (NULL);
/* We are only using this as an example, so the timezone doesn't
* matter. */
tmp_tm = localtime (&t);
if (e_cell_date_edit_text_get_use_24_hour_format (ecd))
/* strftime format of a weekday, a date and a time, 24-hour. */
format = _("%a %m/%d/%Y %H:%M:%S");
else
/* strftime format of a weekday, a date and a time, 12-hour. */
format = _("%a %m/%d/%Y %I:%M:%S %p");
e_utf8_strftime (buffer, sizeof (buffer), format, tmp_tm);
dialog = gtk_message_dialog_new (
NULL, 0,
GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
_("The date must be entered in the format: \n%s"),
buffer);
gtk_dialog_run (GTK_DIALOG (dialog));
gtk_widget_destroy (dialog);
}
static void
cell_date_edit_text_set_value (ECellText *cell,
ETableModel *model,
gint col,
gint row,
const gchar *text)
{
ECellDateEditText *ecd = E_CELL_DATE_EDIT_TEXT (cell);
ETimeParseStatus status;
struct tm tmp_tm;
ECellDateEditValue dv;
ECellDateEditValue *value;
gboolean is_date = TRUE;
/* Try to parse just a date first. If the value is only a date, we
* use a DATE value. */
status = e_time_parse_date (text, &tmp_tm);
if (status == E_TIME_PARSE_INVALID) {
is_date = FALSE;
status = e_time_parse_date_and_time (text, &tmp_tm);
if (status == E_TIME_PARSE_INVALID) {
show_date_warning (ecd);
return;
}
}
if (status == E_TIME_PARSE_NONE) {
value = NULL;
} else {
dv.tt = icaltime_null_time ();
dv.tt.year = tmp_tm.tm_year + 1900;
dv.tt.month = tmp_tm.tm_mon + 1;
dv.tt.day = tmp_tm.tm_mday;
dv.tt.hour = tmp_tm.tm_hour;
dv.tt.minute = tmp_tm.tm_min;
dv.tt.second = tmp_tm.tm_sec;
dv.tt.is_date = is_date;
/* FIXME: We assume it is being set to the current timezone.
* Is that OK? */
if (is_date) {
dv.zone = NULL;
} else {
dv.zone = e_cell_date_edit_text_get_timezone (ecd);
}
value = &dv;
}
e_table_model_set_value_at (model, col, row, value);
}
static void
e_cell_date_edit_text_class_init (ECellDateEditTextClass *class)
{
GObjectClass *object_class;
ECellTextClass *cell_text_class;
g_type_class_add_private (class, sizeof (ECellDateEditTextPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->set_property = cell_date_edit_text_set_property;
object_class->get_property = cell_date_edit_text_get_property;
cell_text_class = E_CELL_TEXT_CLASS (class);
cell_text_class->get_text = cell_date_edit_text_get_text;
cell_text_class->free_text = cell_date_edit_text_free_text;
cell_text_class->set_value = cell_date_edit_text_set_value;
g_object_class_install_property (
object_class,
PROP_TIMEZONE,
g_param_spec_pointer (
"timezone",
"Time Zone",
NULL,
G_PARAM_READWRITE));
g_object_class_install_property (
object_class,
PROP_USE_24_HOUR_FORMAT,
g_param_spec_boolean (
"use-24-hour-format",
"Use 24-Hour Format",
NULL,
TRUE,
G_PARAM_READWRITE));
}
static void
e_cell_date_edit_text_init (ECellDateEditText *ecd)
{
ecd->priv = E_CELL_DATE_EDIT_TEXT_GET_PRIVATE (ecd);
ecd->priv->timezone = icaltimezone_get_utc_timezone ();
ecd->priv->use_24_hour_format = TRUE;
}
/**
* e_cell_date_edit_text_new:
*
* Creates a new ECell renderer that can be used to render and edit dates that
* that come from the model. The value returned from the model is
* interpreted as being a ECalComponentDateTime*.
*
* Returns: an ECell object that can be used to render dates.
*/
ECell *
e_cell_date_edit_text_new (const gchar *fontname,
GtkJustification justify)
{
ECell *cell;
cell = g_object_new (E_TYPE_CELL_DATE_EDIT_TEXT, NULL);
e_cell_text_construct (E_CELL_TEXT (cell), fontname, justify);
return cell;
}
icaltimezone *
e_cell_date_edit_text_get_timezone (ECellDateEditText *ecd)
{
g_return_val_if_fail (E_IS_CELL_DATE_EDIT_TEXT (ecd), NULL);
return ecd->priv->timezone;
}
void
e_cell_date_edit_text_set_timezone (ECellDateEditText *ecd,
icaltimezone *timezone)
{
g_return_if_fail (E_IS_CELL_DATE_EDIT_TEXT (ecd));
if (ecd->priv->timezone == timezone)
return;
ecd->priv->timezone = timezone;
g_object_notify (G_OBJECT (ecd), "timezone");
}
gboolean
e_cell_date_edit_text_get_use_24_hour_format (ECellDateEditText *ecd)
{
g_return_val_if_fail (E_IS_CELL_DATE_EDIT_TEXT (ecd), FALSE);
return ecd->priv->use_24_hour_format;
}
void
e_cell_date_edit_text_set_use_24_hour_format (ECellDateEditText *ecd,
gboolean use_24_hour)
{
g_return_if_fail (E_IS_CELL_DATE_EDIT_TEXT (ecd));
if (ecd->priv->use_24_hour_format == use_24_hour)
return;
ecd->priv->use_24_hour_format = use_24_hour;
g_object_notify (G_OBJECT (ecd), "use-24-hour-format");
}
gint
e_cell_date_edit_compare_cb (gconstpointer a,
gconstpointer b,
gpointer cmp_cache)
{
ECellDateEditValue *dv1 = (ECellDateEditValue *) a;
ECellDateEditValue *dv2 = (ECellDateEditValue *) b;
struct icaltimetype tt;
/* First check if either is NULL. NULL dates sort last. */
if (!dv1 || !dv2) {
if (dv1 == dv2)
return 0;
else if (dv1)
return -1;
else
return 1;
}
/* Copy the 2nd value and convert it to the same timezone as the first. */
tt = dv2->tt;
icaltimezone_convert_time (&tt, dv2->zone, dv1->zone);
/* Now we can compare them. */
return icaltime_compare (dv1->tt, tt);
}
